Description
Overview:
The Chain Loop RS 404 063 is a Genuine Stihl OEM saw chain loop (OEM No. 3946 000 0066) designed for professional and domestic chainsaw use. Built from high-grade alloy steel with precision-ground cutters and robust rivets, it delivers dependable cutting performance and long service life. The "RS" (Rapid Super) profile is a fast-cutting, full-chisel design suited to clean timber and efficient felling and bucking. This loop is specified for 0.404 in (10.26 mm) pitch and 0.063 in (1.60 mm) gauge, giving a stable, aggressive cut when matched to the correct bar and drive link count. Ideal for Stihl chainsaws that require a 0.404 in chain, it offers a precise fit, reliable oiling, and smooth operation when installed and tensioned correctly.
Key Features:
- Genuine Stihl part for assured fit, quality, and compatibility (OEM No. 3946 000 0066)
- 0.404 in (10.26 mm) pitch and 0.063 in (1.60 mm) gauge for heavy-duty cutting performance
- Full-chisel RS cutter profile for fast, efficient cutting in clean wood
- Heat-treated cutters and rivets for durability and wear resistance
- Consistent chain geometry for smooth running and reduced vibration when maintained
- Supplied as a ready-to-fit chain loop for straightforward replacement
- Compatible with bars and sprockets specified for 0.404 in pitch; check bar length and drive link count
- Suitable for demanding tasks where high feed rates and productivity are required
Typical Applications:
Used for felling, cross-cutting, processing firewood, and general forestry work where fast, clean cuts are needed. Suitable for estate and arborist operations as well as heavy garden maintenance on larger timber. Best in clean wood; avoid dirty or abrasive conditions to maintain edge life.
Also known as:
Chainsaw chain loop, saw chain loop, Rapid Super chain, RS 0.404 chain, 0.063 gauge chain, Stihl replacement chain loop, cutting chain, felling chain, full-chisel chainsaw chain.
Alternate Part Numbers:
3946 000 0066, 3946-000-0066, 39460000066
Product Specifications
| L&S Part No. | 3946 000 0066 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 39460000066 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part, OEM No. 3946 000 0066 - 0.404 in pitch, 0.063 in gauge for heavy-duty cutting - Full-chisel RS profile for fast, efficient cutting - Heat-treated cutters and rivets for durability - Compatible with 0.404 in pitch bars and sprockets |
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